20571001996

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{22777}}^1\times {\mathrm{5507}}^1$

素因数の和:28329

約数の個数: 24

約数和(自身を含む): 36885599856

約数和(自身を除く): 16314597860

約数列:

[1, 2, 4, 41, 82, 164, 5507, 11014, 22028, 22777, 45554, 91108, 225787, 451574, 903148, 933857, 1867714, 3735428, 125432939, 250865878, 501731756, 5142750499, 10285500998, 20571001996]

約数ペア:

[(1, 20571001996), (2, 10285500998), (4, 5142750499), (41, 501731756), (82, 250865878), (164, 125432939), (5507, 3735428), (11014, 1867714), (22028, 933857), (22777, 903148), (45554, 451574), (91108, 225787)]